Which statement accurately describes tectonic plates? A:mover over the layer of Earth's mantle
B:move very quickly
C:number in the hundreds
D:every state in the United States has one

Iwould say d. eye contact and body language because you aren’t using any spoken communication. hope this : )

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen